CVE-2020-27555
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921...
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.
- Record
CVE-2020-27555- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-1188
- Updated
- 2026-11-02
CVE List No score
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.
- Record
CVE-2020-27555- Updated
- 2026-11-02
EUVDEUVD-2020-20063 No score
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.
- Record
EUVD-2020-20063- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-693c-q93p-45vc No score
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921...
Use of default credentials for the telnet server in BASETech GE-131 BT-1837836 firmware 20180921 allows remote attackers to execute arbitrary system commands as the root user.
- Record
GHSA-693c-q93p-45vc- Weakness
- CWE-522
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-27555 is a critical vulnerability (CVSS 9.8) in Basetech Ge-131 Bt-1837836 Firmware, published November 17, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 84th percentile. No source names a fixed version.